#34883 [Fbk->Opn]: crash when accessing superglobals

ID: 34883 User updated by: sveta at microbecal dot com Reported By: sveta at microbecal dot com -Status: Feedback +Status: Open Bug Type: Apache2 related Operating System: Windows XP SP1 PHP Version: 5CVS-2005-10-16 (snap) New Comment: Same result. Same stack with php.ini-recommended. From Windows system alert: --- szAppName : Apache.exe szAppVer : 2.0.54.0 szModName : php5apache2.dll szModVer : 5.1.0.0 offset : 00003383 --- With my custom php.ini stack is other: --- (gdb) run -X Starting program: /cygdrive/d/Program Files/Apache Group/Apache2/bin/Apache.exe -X ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- Program received signal SIGSEGV, Segmentation fault. [Switching to thread 3840.0xfe8] 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll (gdb) bt #0 0x7801b674 in TowerExplode () from /cygdrive/c/WINDOWS/system32/rpcrt4.dll #1 0x77dd8de5 in ElfNumberOfRecords () from /cygdrive/c/WINDOWS/system32/advapi32.dll #2 0x77ded830 in CredWriteA () from /cygdrive/c/WINDOWS/system32/advapi32.dll #3 0x77dd8d9b in DestroyPrivateObjectSecurity () from /cygdrive/c/WINDOWS/system32/advapi32.dll #4 0x00000000 in ?? () from (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. 0x00aa9b95 in zend_hash_apply () from /cygdrive/d/Program Files/PHP4/php5ts.dll (gdb) bt #0 0x00aa9b95 in zend_hash_apply () from /cygdrive/d/Program Files/PHP4/php5ts.dll #1 0x01d71475 in php_runkit!get_module () from /cygdrive/d/Program Files/PHP4/ext/php_runkit.dll #2 0xbaadf00d in ?? () #3 0x01d726c0 in php_runkit!get_module () from /cygdrive/d/Program Files/PHP4/ext/php_runkit.dll #4 0x01fb6180 in ?? () #5 0x00e0e800 in ?? () #6 0x010f7600 in ?? () #7 0x00a16cc0 in zend_get_module_started () from /cygdrive/d/Program Files/PHP4/php5ts.dll #8 0x01fb6180 in ?? () #9 0x00a16cdc in zend_get_module_started () from /cygdrive/d/Program Files/PHP4/php5ts.dll #10 0x00000001 in ?? () #11 0x0000002e in ?? () #12 0x01fb6180 in ?? () #13 0x00aa9bd2 in zend_hash_apply () from /cygdrive/d/Program Files/PHP4/php5ts.dll #14 0x01fb6180 in ?? () #15 0x05f7fb54 in ?? () #16 0x01fb6180 in ?? () #17 0x0202e1d0 in ?? () #18 0x05f7fb50 in ?? () #19 0x00a1246d in php5ts!get_active_class_name () from /cygdrive/d/Program Files/PHP4/php5ts.dll #20 0x00e0e800 in ?? () #21 0x00a16cc0 in zend_get_module_started () from /cygdrive/d/Program Files/PHP4/php5ts.dll #22 0x01fb6180 in ?? () #23 0x0202e1d0 in ?? () #24 0x05f7fcec in ?? () #25 0x01fb6180 in ?? () #26 0xbaadf00d in ?? () #27 0xbaadf00d in ?? () #28 0xbaadf00d in ?? () #29 0xbaadf00d in ?? () #30 0xbaadf00d in ?? () #31 0xbaadf00d in ?? () #32 0xbaadf00d in ?? () #33 0xbaadf00d in ?? () #34 0xbaadf00d in ?? () #35 0xbaadf00d in ?? () #36 0xbaadf00d in ?? () #37 0xbaadf00d in ?? () #38 0xbaadf00d in ?? () #39 0xbaadf00d in ?? () #40 0xbaadf00d in ?? () #41 0xbaadf00d in ?? () #42 0x0002e1d0 in ?? () #43 0x05f7fdfc in ?? () #44 0x00ad1849 in php_register_variable_safe () Previous frame inner to this frame (corrupt stack?) Previous Comments: ------------------------------------------------------------------------ [2005-10-18 14:42:41] tony2001@php.net Please try using this CVS snapshot: http://snaps.php.net/php5-latest.tar.gz For Windows: http://snaps.php.net/win32/php5-win32-latest.zip Please try next Win32 snapshot. ------------------------------------------------------------------------ [2005-10-18 13:20:49] sveta at microbecal dot com I can reproduce crash with php.ini-recommended. But I can not reproduce backtrace "that starts somewhere in PHP". ------------------------------------------------------------------------ [2005-10-18 13:07:25] tony2001@php.net Are you able to reproduce it without php_mime_magic.dll loaded ? ------------------------------------------------------------------------ [2005-10-18 12:45:13] sveta at microbecal dot com PHP Version 5.1.0RC4-dev Build Date Oct 18 2005 04:22:53 Sorry, not clean php.ini To recreate somitimes I am reloading page 2-3 times after server restarting. (gdb) run -X Starting program: /cygdrive/d/Program Files/Apache Group/Apache2/bin/Apache.exe -X ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- ---Type <return> to continue, or q <return> to quit--- Program received signal SIGSEGV, Segmentation fault. [Switching to thread 2088.0x924] 0x00b7d22f in php_info_print_hr () (gdb) bt #0 0x00b7d22f in php_info_print_hr () #1 0x01fa9e90 in ?? () #2 0x05e7f8dc in ?? () #3 0x01a31107 in php_mime_magic!get_module () from /cygdrive/d/Program Files/PHP4/ext/php_mime_magic.dll #4 0x00000002 in ?? () #5 0x01a34338 in php_mime_magic!get_module () #6 0xbaadf00d in ?? () #7 0x00b7cb3e in php_output_startup () #8 0x0208b590 in ?? () #9 0x01fa9e90 in ?? () #10 0x0208b548 in ?? () #11 0x00aa9c45 in zend_hash_apply_with_argument () from /cygdrive/d/Program Files/PHP4/php5ts.dll #12 0x05e7f974 in ?? () #13 0x01fa9e90 in ?? () #14 0x01fa9e90 in ?? () #15 0x000000ff in ?? () #16 0x0634ad00 in ?? () #17 0x00c8c49f in php5ts!lex_scan () #18 0x05e7f9a0 in ?? () #19 0x00b7cb00 in php_output_startup () #20 0x05e7f974 in ?? () #21 0x01fa9e90 in ?? () ---Type <return> to continue, or q <return> to quit--- #22 0x00000000 in ?? () from ------------------------------------------------------------------------ [2005-10-18 12:18:27] tony2001@php.net Works fine with Apache2 on linux. Any chance to get the real backtrace (that starts somewhere in PHP)? ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/34883 -- Edit this bug report at http://bugs.php.net/?id=34883&edit=1